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0860bb2771
Prior to about 2013, many class methods lacked even access modifiers which made the `@access` notations that much more useful. Now that we've gotten to a point where the codebase is more mature from a maintenance perspective and we can finally remove these notations. Notable exceptions to this change include standalone functions notated as private as well as some classes still considered to represent "private" APIs. See #41452. Built from https://develop.svn.wordpress.org/trunk@41162 git-svn-id: http://core.svn.wordpress.org/trunk@41002 1a063a9b-81f0-0310-95a4-ce76da25c4cd
315 lines
9.7 KiB
PHP
315 lines
9.7 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Taxonomies_Controller class
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 4.7.0
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*/
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/**
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* Core class used to manage taxonomies via the REST API.
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*
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* @since 4.7.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Taxonomies_Controller extends WP_REST_Controller {
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/**
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* Constructor.
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*
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* @since 4.7.0
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*/
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public function __construct() {
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$this->namespace = 'wp/v2';
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$this->rest_base = 'taxonomies';
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}
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/**
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* Registers the routes for the objects of the controller.
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*
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* @since 4.7.0
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*
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* @see register_rest_route()
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*/
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public function register_routes() {
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register_rest_route( $this->namespace, '/' . $this->rest_base, array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_items' ),
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'permission_callback' => array( $this, 'get_items_permissions_check' ),
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'args' => $this->get_collection_params(),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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) );
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register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<taxonomy>[\w-]+)', array(
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'args' => array(
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'taxonomy' => array(
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'description' => __( 'An alphanumeric identifier for the taxonomy.' ),
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'type' => 'string',
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),
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),
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_item' ),
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'permission_callback' => array( $this, 'get_item_permissions_check' ),
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'args' => array(
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'context' => $this->get_context_param( array( 'default' => 'view' ) ),
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),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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) );
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}
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/**
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* Checks whether a given request has permission to read taxonomies.
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*
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* @since 4.7.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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*/
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public function get_items_permissions_check( $request ) {
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if ( 'edit' === $request['context'] ) {
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if ( ! empty( $request['type'] ) ) {
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$taxonomies = get_object_taxonomies( $request['type'], 'objects' );
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} else {
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$taxonomies = get_taxonomies( '', 'objects' );
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}
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foreach ( $taxonomies as $taxonomy ) {
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if ( ! empty( $taxonomy->show_in_rest ) && current_user_can( $taxonomy->cap->manage_terms ) ) {
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return true;
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}
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}
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return new WP_Error( 'rest_cannot_view', __( 'Sorry, you are not allowed to manage terms in this taxonomy.' ), array( 'status' => rest_authorization_required_code() ) );
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}
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return true;
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}
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/**
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* Retrieves all public taxonomies.
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*
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* @since 4.7.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response Response object on success, or WP_Error object on failure.
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*/
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public function get_items( $request ) {
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// Retrieve the list of registered collection query parameters.
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$registered = $this->get_collection_params();
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if ( isset( $registered['type'] ) && ! empty( $request['type'] ) ) {
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$taxonomies = get_object_taxonomies( $request['type'], 'objects' );
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} else {
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$taxonomies = get_taxonomies( '', 'objects' );
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}
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$data = array();
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foreach ( $taxonomies as $tax_type => $value ) {
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if ( empty( $value->show_in_rest ) || ( 'edit' === $request['context'] && ! current_user_can( $value->cap->manage_terms ) ) ) {
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continue;
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}
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$tax = $this->prepare_item_for_response( $value, $request );
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$tax = $this->prepare_response_for_collection( $tax );
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$data[ $tax_type ] = $tax;
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}
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if ( empty( $data ) ) {
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// Response should still be returned as a JSON object when it is empty.
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$data = (object) $data;
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}
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return rest_ensure_response( $data );
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}
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/**
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* Checks if a given request has access to a taxonomy.
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*
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* @since 4.7.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access for the item, otherwise false or WP_Error object.
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*/
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public function get_item_permissions_check( $request ) {
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$tax_obj = get_taxonomy( $request['taxonomy'] );
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if ( $tax_obj ) {
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if ( empty( $tax_obj->show_in_rest ) ) {
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return false;
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}
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if ( 'edit' === $request['context'] && ! current_user_can( $tax_obj->cap->manage_terms ) ) {
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return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to manage terms in this taxonomy.' ), array( 'status' => rest_authorization_required_code() ) );
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}
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}
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return true;
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}
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/**
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* Retrieves a specific taxonomy.
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*
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* @since 4.7.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function get_item( $request ) {
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$tax_obj = get_taxonomy( $request['taxonomy'] );
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if ( empty( $tax_obj ) ) {
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return new WP_Error( 'rest_taxonomy_invalid', __( 'Invalid taxonomy.' ), array( 'status' => 404 ) );
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}
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$data = $this->prepare_item_for_response( $tax_obj, $request );
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return rest_ensure_response( $data );
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}
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/**
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* Prepares a taxonomy object for serialization.
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*
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* @since 4.7.0
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*
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* @param stdClass $taxonomy Taxonomy data.
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response Response object.
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*/
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public function prepare_item_for_response( $taxonomy, $request ) {
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$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
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$data = array(
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'name' => $taxonomy->label,
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'slug' => $taxonomy->name,
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'capabilities' => $taxonomy->cap,
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'description' => $taxonomy->description,
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'labels' => $taxonomy->labels,
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'types' => $taxonomy->object_type,
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'show_cloud' => $taxonomy->show_tagcloud,
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'hierarchical' => $taxonomy->hierarchical,
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'rest_base' => $base,
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);
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$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
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$data = $this->add_additional_fields_to_object( $data, $request );
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$data = $this->filter_response_by_context( $data, $context );
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// Wrap the data in a response object.
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$response = rest_ensure_response( $data );
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$response->add_links( array(
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'collection' => array(
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'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
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),
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'https://api.w.org/items' => array(
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'href' => rest_url( sprintf( 'wp/v2/%s', $base ) ),
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),
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) );
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/**
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* Filters a taxonomy returned from the REST API.
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*
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* Allows modification of the taxonomy data right before it is returned.
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*
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* @since 4.7.0
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*
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* @param WP_REST_Response $response The response object.
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* @param object $item The original taxonomy object.
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* @param WP_REST_Request $request Request used to generate the response.
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*/
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return apply_filters( 'rest_prepare_taxonomy', $response, $taxonomy, $request );
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}
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/**
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* Retrieves the taxonomy's schema, conforming to JSON Schema.
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*
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* @since 4.7.0
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*
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* @return array Item schema data.
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*/
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public function get_item_schema() {
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$schema = array(
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'$schema' => 'http://json-schema.org/schema#',
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'title' => 'taxonomy',
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'type' => 'object',
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'properties' => array(
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'capabilities' => array(
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'description' => __( 'All capabilities used by the taxonomy.' ),
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'type' => 'object',
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'context' => array( 'edit' ),
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'readonly' => true,
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),
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'description' => array(
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'description' => __( 'A human-readable description of the taxonomy.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit' ),
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'readonly' => true,
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),
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'hierarchical' => array(
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'description' => __( 'Whether or not the taxonomy should have children.' ),
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'type' => 'boolean',
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'context' => array( 'view', 'edit' ),
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'readonly' => true,
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),
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'labels' => array(
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'description' => __( 'Human-readable labels for the taxonomy for various contexts.' ),
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'type' => 'object',
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'context' => array( 'edit' ),
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'readonly' => true,
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),
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'name' => array(
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'description' => __( 'The title for the taxonomy.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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),
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'slug' => array(
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'description' => __( 'An alphanumeric identifier for the taxonomy.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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),
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'show_cloud' => array(
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'description' => __( 'Whether or not the term cloud should be displayed.' ),
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'type' => 'boolean',
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'context' => array( 'edit' ),
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'readonly' => true,
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),
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'types' => array(
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'description' => __( 'Types associated with the taxonomy.' ),
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'type' => 'array',
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'items' => array(
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'type' => 'string',
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),
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'context' => array( 'view', 'edit' ),
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'readonly' => true,
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),
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'rest_base' => array(
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'description' => __( 'REST base route for the taxonomy.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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),
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),
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);
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return $this->add_additional_fields_schema( $schema );
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}
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/**
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* Retrieves the query params for collections.
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*
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* @since 4.7.0
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*
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* @return array Collection parameters.
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*/
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public function get_collection_params() {
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$new_params = array();
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$new_params['context'] = $this->get_context_param( array( 'default' => 'view' ) );
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$new_params['type'] = array(
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'description' => __( 'Limit results to taxonomies associated with a specific post type.' ),
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'type' => 'string',
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);
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return $new_params;
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}
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}
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